Polarstar F2 HPA Engine

The PolarStar F2 is the best HPA engine on the market!  This unit comes with everything you need, from the wire harness, to the triggerboard, to the FCU.  The dual solenoid design of the F2™ provides the same functionality as the legendary Fusion Engine™ but in a more compact, efficient and flexible design.

• Dual solenoid design allows for open and closed bolt firing
• F2 FCU with LCD allows for easy tuning
• Spring loaded nozzle provides consistent loading force
• Lightweight one piece poppet valve can operate at lower pressures